# 定义字典（键值对映射）
address = {
    "详细地址": "金凤路6号",
    "省份": "广东省",
    "城市": "珠海市",
    "邮政编码": "519085"
}
print("映射（字典）的内容：", address)
print("通过键获取值（省份）：", address["省份"])  # 键映射对应的值

# 字典的操作
address["区"] = "香洲区"  # 添加新的键值对
print("添加键值对后的字典：", address)
print("字典的所有键：", address.keys())
print("字典的所有值：", address.values())